CN114430288B - Miniaturized broadband receiving-transmitting frequency conversion module based on electronic countermeasure - Google Patents
Miniaturized broadband receiving-transmitting frequency conversion module based on electronic countermeasure Download PDFInfo
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- CN114430288B CN114430288B CN202210130460.0A CN202210130460A CN114430288B CN 114430288 B CN114430288 B CN 114430288B CN 202210130460 A CN202210130460 A CN 202210130460A CN 114430288 B CN114430288 B CN 114430288B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 40
- 230000010355 oscillation Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 12
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the technical field of radar communication, and particularly discloses a miniaturized broadband transceiving frequency conversion module based on electronic countermeasure, which comprises a composite board (4), a metal partition board (6) and a digital board (8) which are arranged from top to bottom; an up-down frequency conversion channel is arranged on the composite board (4), and the digital board (8) is provided with a vibration source, a control circuit and a power circuit; the high-frequency local oscillation signals between the composite board (4) and the digital board (8) are interconnected through cables by the first connector, and the low-frequency signals between the composite board and the digital board are interconnected through the second connector in a vertical buckling mode. The miniature transceiving frequency conversion module stacks a composite board (4) provided with an up-down frequency conversion channel and a digital board (8) provided with the vibration source, a control circuit and a power circuit up and down through a metal partition board (6), and a connector is arranged to realize signal interconnection between the composite board (4) and the digital board (8), so that good isolation of physical signals is realized in space, and the miniature stacking design of products is met.
Description
Technical Field
The invention relates to the technical field of radar communication, in particular to a miniaturized broadband transceiving frequency conversion module based on electronic countermeasure.
Background
The receiving-transmitting frequency conversion module is an integrated module which can realize the down-conversion receiving function from a Radio Frequency (RF) signal to an Intermediate Frequency (IF) signal and the up-conversion transmitting function from the Intermediate Frequency (IF) signal to the Radio Frequency (RF) signal. In order to solve the problem of crosstalk between a receiving signal and a transmitting signal, the conventional receiving and transmitting frequency conversion module can completely and independently design a receiving channel and a transmitting channel, so that the local oscillator of the receiving channel and the local oscillator of the transmitting channel cannot be used mutually, and the product integration level is low and miniaturization cannot be realized.
The whole system is internally integrated with a plurality of receiving and transmitting channels, such as a 2-receiving and 2-transmitting system and a 4-receiving and 4-transmitting system, and the application bandwidth and the instantaneous processing capacity of the system can be multiply expanded by integrating a plurality of channels in a limited space, so that the miniaturization of a receiving and transmitting module is particularly important. The smaller the size, the greater the crosstalk between the signals of the transceiver channels, and the greater the difficulty in isolating the extraneous signals from the crosstalk signals.
Disclosure of Invention
The invention provides a miniaturized broadband receiving-transmitting frequency conversion module based on electronic countermeasure, which solves the technical problems that: how to realize miniaturization of the receiving-transmitting frequency conversion module on the basis of isolating irrelevant signals and interference signals.
In order to solve the technical problems, the invention provides a miniaturized broadband transceiving frequency conversion module based on electronic countermeasure, which comprises a composite board, a metal partition board and a digital board which are arranged from top to bottom; the composite board is provided with an up-down frequency conversion channel, and the digital board is provided with a vibration source, a control circuit and a power circuit; the high-frequency local oscillation signals between the composite board and the digital board are interconnected through cables by the first connector, and the low-frequency signals between the composite board and the digital board are interconnected through the second connector in a vertical buckling mode.
The miniature transceiving frequency conversion module stacks the composite board provided with the up-down frequency conversion channel and the digital board provided with the vibration source, the control circuit and the power circuit up and down, is separated by the metal partition board, and is provided with the connector to realize signal interconnection between the composite board and the digital board, so that good isolation of physical signals is realized in space, and meanwhile, the miniaturized stacking design of products is satisfied.
In a further scheme, the miniaturized transceiver frequency conversion module further comprises an upper shell, a pressing plate and an inner cover plate, wherein the composite plate is arranged in the upper shell in a welding mode, the pressing plate is arranged on the composite plate, and the inner cover plate covers the upper shell.
In the scheme, the composite board is tightly interconnected with the upper shell sleeve in a welding mode instead of using a conductive adhesive process to form a whole, the assembly mode ensures the continuity of the whole radio frequency ground, and the upper shell sleeve is utilized to realize the space isolation of the in-board receiving and transmitting channel, so that the problem of mutual crosstalk of irrelevant signals is solved. The arrangement of the pressing plate and the inner cover plate can increase the air tightness inside and improve the reliability and durability of the product.
In a further scheme, the miniaturized transceiver frequency conversion module further comprises a lower shell and an outer cover plate; the digital board is arranged in the lower shell, the lower shell is fastened with the upper shell into a whole through screws, and the outer cover plate covers the lower shell.
In this scheme, set up down the shell alone and be used for fixed digital board, not only can protect the digital board, but also can strengthen the holistic reliability of product, fasten integrative with last shell down the shell through the screw, reuse outer apron encapsulates, further improves gas tightness, reliability and the durability of product.
In a further scheme, the miniaturized transceiver frequency conversion module further comprises a laser seal welding cover plate which is positioned on the inner cover plate and seal-welded on the upper shell, so that the complete airtight of a product is realized, and the reliability and the durability of the product are further improved.
In a further scheme, the metal partition plate is arranged between the upper shell and the lower shell through screws so as to physically separate the composite plate and the digital plate and solve the problem of mutual crosstalk of irrelevant signals.
In a further scheme, the upper shell is a first hollow rectangular metal surrounding frame, the lower shell is a second rectangular metal surrounding frame internally provided with mounting support legs, the mounting support legs are used for mounting the digital board through screws, and the first rectangular metal surrounding frame is fixedly connected with the second rectangular metal surrounding frame through screws.
In this scheme, go up shell and lower shell and enclose the frame for the metal, go up the shell and design and enclose the frame for the metal and realized the space isolation, owing to cavity and enclose the frame integrated design, both guaranteed the continuity of whole radio frequency ground, utilized casing itself to realize the space isolation of inboard transceiver channel again, solved the mutual crosstalk problem of irrelevant signal. The lower shell adopts a metal surrounding frame, so that the metal surrounding frame is convenient to install with the upper shell, and the expended installation support legs can enable the metal plate to be fastened on the lower shell, so that the structure is compact. The upper shell and the lower shell are used as main body frames of the whole miniaturized transceiving frequency conversion module, and the design of a metal surrounding frame is adopted, so that the structure is firm, the complete airtight is realized, and the reliability and the durability are high.
In a further scheme, the composite board is formed by compositing eight layers of substrates, a first layer of substrate and a third layer of substrate from top to bottom are provided with radio frequency wiring of 0.03G-18G, and the radio frequency wiring between the first layer of substrate and the third layer of substrate is interconnected through a via hole; most areas of the second layer of substrate adopt copper-clad plates as stratum to form reference ground of radio frequency signals. According to the scheme, the radio frequency wiring of 0.03G-18G adopts two layers of substrates, compared with a mode of paving the radio frequency wiring on one layer of substrate, the scheme can reduce the size of a product, the height of the added one layer of substrate is negligible, the size of each layer of substrate is kept consistent with that of the digital board, and the whole size of the product can be compressed to the minimum.
In a further scheme, the fourth layer of substrate to the eighth layer of substrate of the composite board are made of FR4 material and are provided with low-frequency signal wires.
In a further scheme, the first connector comprises a local oscillator first connector and a local oscillator second connector, the digital board generates a local oscillator first signal with the output frequency of 20.2GHz in a frequency division mode, generates a local oscillator second signal with the output frequency of 24-40GHz in a frequency multiplication mode, and the upper frequency conversion channel and the lower frequency conversion channel on the composite board share the local oscillator first signal and the local oscillator second signal through the local oscillator first connector and the local oscillator second connector respectively; the first local oscillator connector and the second local oscillator connector both comprise UMCC interfaces and connecting cables, the UMCC interfaces are respectively arranged on the side sides of the upper shell and the lower shell, the side sides of the upper shell and the lower shell are also reserved with wire grooves for embedding the connecting cables, the scheme realizes the sharing of the first local oscillator signal and the second local oscillator signal by the up-down frequency conversion channel through the first local oscillator connector and the second local oscillator connector, the integration level of the module is higher, and the size of the module can be further reduced. The cable slot is reserved on the upper shell and the lower shell, the connecting cable can be installed, the reserved hole can be provided with the UMCC interface, the installation mode is simple, the structure of the module is more compact, and the size of the module can be further compressed.
Through the design, the miniaturized broadband receiving-transmitting frequency conversion module based on electronic countermeasure, provided by the invention, has the advantages that the integral size of the inner cover plate, the upper shell sleeve, the lower shell sleeve and the outer cover plate is within the range of 120mm multiplied by 72mm multiplied by 17.8mm after being fastened, the miniaturization of the receiving-transmitting frequency conversion module is realized, the high integration of a frequency conversion channel, a quick local oscillation source and a control circuit is realized, the inside of the module is completely airtight, and the miniaturized receiving-transmitting frequency conversion module has high reliability and high durability.
Drawings
Fig. 1 is a front view of a miniaturized broadband transceiver frequency conversion module based on electronic countermeasure according to an embodiment of the present invention;
fig. 2 is an exploded view of a miniaturized broadband transceiver frequency conversion module (without screws, a first connector and a second connector) based on electronic countermeasure according to an embodiment of the present invention;
FIG. 3 is a perspective view of an upper shell and a lower shell integrally assembled together according to an embodiment of the present invention;
FIG. 4 is a top view of an assembled body of a laser seal cover plate, an inner cover plate, a pressing plate, a composite plate and an upper shell, which is cut along a hierarchy and provided by an embodiment of the invention;
FIG. 5 is a top view of an assembled composite panel and upper shell provided by an embodiment of the present invention;
FIG. 6 is a top view of an assembled inner cover plate, pressure plate, composite plate, and upper shell provided by an embodiment of the present invention;
FIG. 7 is a top view of an assembled body of a laser seal cover plate, an inner cover plate, a pressing plate, a composite plate and an upper shell according to an embodiment of the present invention;
FIG. 8 is a bottom view of an assembled metal separator, lower shell, digital board, and outer cover plate, taken along a hierarchy, in accordance with an embodiment of the present invention;
FIG. 9 is a bottom view of a digital board integrated with a lower shell according to an embodiment of the present invention;
fig. 10 is a bottom view of a metal spacer, a first local oscillator connector and a second local oscillator connector according to an embodiment of the present invention;
reference numerals: the laser seal welding cover plate 1, the inner cover plate 2, the pressing plate 3, the composite plate 4, the upper shell 5, the metal partition plate 6, the lower shell 7, the mounting support 71, the digital plate 8, the outer cover plate 9, the UMCC interface 10, the connecting cable 11 and the wire slot 12.
Detailed Description
The following examples are given for the purpose of illustration only and are not to be construed as limiting the invention, including the drawings for reference and description only, and are not to be construed as limiting the scope of the invention as many variations thereof are possible without departing from the spirit and scope of the invention.
The embodiment of the invention provides a miniaturized broadband transceiving frequency conversion module based on electronic countermeasure, which is shown in fig. 2 and comprises a composite board 4, a metal partition board 6 and a digital board 8 which are arranged from top to bottom. The composite board 4 is provided with an up-down frequency conversion channel, and the digital board 8 is provided with a vibration source, a control circuit and a power circuit. The high-frequency local oscillation signals between the composite board 4 and the digital board 8 are interconnected through a first connector, and the low-frequency signals (i.e. other signals except the high-frequency local oscillation signals) between the composite board 4 and the digital board 8 are interconnected through a second connector. For the receiving-transmitting frequency conversion module, the design of the composite board 4, the digital board 8, the metal partition board 6, the first connector and the second connector can realize the basic functions of products, and the three-layer board is stacked up and down, so that the good isolation of physical signals is realized in space, and the miniaturized stacking design of the products is also satisfied.
In fig. 2 and 4, it can be further seen that the miniaturized transceiver frequency conversion module further comprises an upper shell 5, a pressing plate 3 and an inner cover plate 2, wherein the composite board 4 is mounted in the upper shell 5 by welding (the top view after mounting is shown in fig. 5), the pressing plate 3 is mounted on the composite board 4, and the inner cover plate 2 covers the upper shell 5 (the top view after mounting is shown in fig. 6). As shown in fig. 3, the upper shell 5 adopts a hollow first rectangular metal surrounding frame, so that the composite board 4 is conveniently installed in a welding mode, the composite board 4 is installed with the upper shell 5 without using a conductive adhesive bonding process, and an integral body is formed in a welding mode, so that the assembly mode not only ensures the continuity of integral radio frequency, but also realizes the space isolation of an in-board receiving and transmitting channel by utilizing the shell body, and the problem of mutual crosstalk of irrelevant signals is solved. The arrangement of the pressing plate 3 and the inner cover plate 2 serves to increase the air tightness of the inside, and improve the reliability and durability of the structure. The metal surrounding frame has a firm structure, so that the composite board 4 can be protected, and the overall structure of the installed composite board 4, the pressing plate 3 and the inner cover plate 2 is stable and difficult to loosen. The metal surrounding frame is manufactured by adopting an integral molding process in production, and has low production cost and high efficiency.
In fig. 2 and 4, it can be further seen that the miniaturized transceiver frequency conversion module further comprises a laser seal welding cover plate 1 (the top view after installation is shown in fig. 7) which is positioned on the inner cover plate 2 and seal-welded on the upper shell 5, so that the complete airtight of the product is realized, and the reliability and durability of the product are further improved.
Specifically, the composite board 4 is formed by compositing eight layers of substrates, the first layer of substrate and the third layer of substrate from top to bottom are provided with radio frequency wiring of 0.03G-18G, and the radio frequency wiring between the two layers is interconnected through a via hole; most areas of the second layer of substrate adopt copper-clad plates as stratum to form reference ground of radio frequency signals. According to the scheme, the radio frequency wiring of 0.03G-18G adopts two layers of substrates, compared with a mode of paving the radio frequency wiring on one layer of substrate, the size of a product can be reduced, the increased height is negligible, the size of each layer of substrate is kept consistent with that of the digital board 8, and the whole size of the product can be compressed to the minimum. The first layer of substrate to the third layer of substrate are made of high-frequency dielectric materials and are used for arranging radio frequency wiring; the fourth layer of substrate to the eighth layer of substrate are made of FR4 material and are used for arranging low-frequency signal wires. The first substrate can be bonded with bare chip, ceramic chip and soft base material by grooving.
In fig. 2 and 8, it can also be seen that the miniaturized transceiver frequency conversion module further comprises a lower shell 7 and an outer cover 9; the digital board 8 is mounted in the lower shell 7 (a bottom view after mounting is shown in fig. 9), the lower shell 7 is fastened with the upper shell 5 by screws, and the outer cover 9 is covered on the lower shell 7. As shown in fig. 3, the lower shell 7 adopts a second rectangular metal enclosure frame with mounting support legs 71 inwards, the mounting support legs 71 are used for mounting the digital board 8 through screws, and the first rectangular metal enclosure frame is fixedly connected with the second rectangular metal enclosure frame, namely, the upper shell 5 is fixedly connected with the lower shell 7 through screws. The lower shell 7 is independently arranged for fixing the digital board 8, so that the digital board 8 can be protected, the overall reliability of the product can be enhanced, the product is fastened with the upper shell 5 integrally through screws, and the product is packaged by the outer cover plate 9, so that the air tightness, reliability and durability of the product are further improved. The lower shell 7 also adopts a metal surrounding frame, so that the metal surrounding frame is convenient to install with the upper shell 5, and the metal plate can be fastened on the lower shell 7 by the metal installation support legs 71 which are paid out, so that the structure is compact. The upper shell 5 and the lower shell 7 are used as main frames of the whole miniaturized transceiving frequency conversion module, and the design of a metal surrounding frame is adopted, so that the structure is firm, the complete airtight is realized, and the reliability and the durability are high.
It should be noted that the metal spacer 6 is mounted between the upper shell 5 and the lower shell 7 by screws to physically separate the composite board 4 from the digital board 8, solving the problem of mutual crosstalk of the extraneous signals. In fig. 8 it can be seen that the metal spacer 6 is mounted in the lower housing 7 above the digital board 8, and that the metal spacer 6 is seen in a bottom view in fig. 10.
The digital board 8 of this example adopts a two-time frequency conversion scheme, and in order to reduce spurious suppression to the greatest extent, the second frequency conversion is realized by adopting a high local oscillation scheme. The first local oscillator adopts a point frequency mode, the second local oscillator is a broadband local oscillator, the frequency is higher, and the frequency doubling mode is adopted. The two local oscillation signals respectively provide local oscillation signals for the receiving and transmitting channels in a frequency doubling and frequency dividing mode. The output frequency of the local oscillator I signal is 20.2GHz, the local oscillator I signal is directly obtained by adopting a phase-locked frequency synthesizer, the output frequency of the local oscillator II signal is 24-40GHz, and the local oscillator I signal is obtained by adopting the phase-locked frequency synthesizer to generate frequency multiplication of 12-20 GHz. The up-down frequency conversion channels share two high-frequency local oscillation signals, so that resource waste is avoided, and miniaturization can be realized.
In order to realize the sharing of two high-frequency local oscillation signals, the first connector of the embodiment comprises a local oscillation first connector and a local oscillation second connector, and the upper and lower frequency conversion channels on the composite board 4 share the local oscillation first signal and the local oscillation second signal through the local oscillation first connector and the local oscillation second connector respectively. As shown in fig. 2, the local oscillation-to-connector adopts a UMCC interface 10 (UMCC, ultra Miniature Coaxial Connector, ultra-miniature coaxial connector) and a connection cable 11, the UMCC interface 10 is respectively disposed at the sides of the upper shell 5 and the lower shell 7, and a wire slot 12 for embedding the connection cable 11 is reserved on the sides of the upper shell 5 and the lower shell 7. The arrangement of the local oscillation two connectors is the same as that of the local oscillation one connector, and the local oscillation two connectors are connected to the other sides of the upper shell 5 and the lower shell 7, and the structures and the installation positions of the local oscillation one connector and the local oscillation two connector are also shown in fig. 4 to 10. In other embodiments, the installation positions of the local oscillator first connector and the local oscillator second connector can be interchanged, and accordingly, the circuits of the composite board 4 and the digital board 8 need to be adjusted.
According to the scheme, the upper and lower frequency conversion channels share the local oscillation first signal and the local oscillation second signal through the local oscillation first connector and the local oscillation second connector, the integration level of the module is higher, and the size of the module can be further reduced. In this example, the wire slots 12 are reserved on the upper shell 5 and the lower shell 7, the connecting cable 11 can be installed, and the UMCC interface 10 can be installed in the reserved holes.
On the digital board 8, the external power supply input is direct current +12V, the external power supply is converted to output through a power supply chip, and the power supply used by the internal module comprises +12V, +5V and-5V; in order to improve the service efficiency of the power supply and reduce the heat productivity of the module, the power supply module with the internal design efficiency close to about 80% converts +12V, and the +12V is stabilized through an LDO chip with a high ripple rejection ratio and then provided for a subsequent circuit.
The outer cover plate 9, the inner cover plate 2, the upper shell 5 and the lower shell 7 integrally show the appearance and the size of the miniaturized transceiver frequency conversion module, and the integral size can be controlled within the range of 120mm multiplied by 72mm multiplied by 17.8 mm.
The miniaturized transceiver frequency conversion module of this example design has realized the high integration of frequency conversion passageway, quick local oscillator source and control circuit, and the module consumption is not more than 15W, and the structure is miniaturized enough, and just airtight completely has high reliability and high durability.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (8)
1. The miniature broadband receiving-transmitting frequency conversion module based on electronic countermeasure is characterized by comprising a composite board (4), a metal partition board (6) and a digital board (8) which are arranged from top to bottom; an up-down frequency conversion channel is arranged on the composite board (4), and the digital board (8) is provided with a vibration source, a control circuit and a power circuit; the high-frequency local oscillation signals between the composite board (4) and the digital board (8) are interconnected through a first connector, and the low-frequency signals between the composite board (4) and the digital board (8) are interconnected through a second connector in a vertical buckling mode;
the composite board (4) is formed by compositing eight layers of substrates, a first layer of substrate and a third layer of substrate from top to bottom are provided with radio frequency wiring of 0.03G-18G, and the radio frequency wiring between the first layer of substrate and the third layer of substrate is interconnected through a via hole; most of the area of the second layer of substrate adopts a copper-clad plate as a stratum to form a reference ground of radio frequency signals;
and the fourth layer of substrate to the eighth layer of substrate of the composite board (4) are made of FR4 material and are provided with low-frequency signal wires.
2. The electronic countermeasure-based miniaturized broadband transceiver frequency conversion module of claim 1, wherein: the novel composite board is characterized by further comprising an upper shell (5), a pressing plate (3) and an inner cover plate (2), wherein the composite board (4) is arranged in the upper shell (5) in a welding mode, the pressing plate (3) is arranged on the composite board (4), and the inner cover plate (2) is covered on the upper shell (5).
3. The electronic countermeasure-based miniaturized broadband transceiver frequency conversion module of claim 2, wherein: the utility model also comprises a lower shell (7) and an outer cover plate (9); the digital board (8) is arranged in the lower shell (7), the lower shell (7) is fastened with the upper shell (5) into a whole through screws, and the outer cover plate (9) covers the lower shell (7).
4. The electronic countermeasure-based miniaturized broadband transceiver frequency conversion module of claim 2, wherein: the laser seal welding cover plate (1) is positioned on the inner cover plate (2) and is sealed and welded on the upper shell sleeve (5).
5. A miniaturized broadband transceiver frequency conversion module based on electronic countermeasure according to claim 3, characterized in that: the metal partition plate (6) is arranged between the upper shell (5) and the lower shell (7) through screws.
6. The electronic countermeasure-based miniaturized broadband transceiver frequency conversion module of claim 5, wherein: the upper shell (5) is a hollow first rectangular metal surrounding frame, the lower shell (7) is a second rectangular metal surrounding frame internally provided with mounting support legs (71), the mounting support legs (71) are used for mounting the digital board (8) through screws, and the first rectangular metal surrounding frame is fixedly connected with the second rectangular metal surrounding frame through screws.
7. A miniaturized broadband transceiver frequency conversion module based on electronic countermeasure according to claim 3, characterized in that: the digital board (8) generates a local oscillator first signal with the output frequency of 20.2GHz in a frequency division mode and generates a local oscillator second signal with the output frequency of 24-40GHz in a frequency multiplication mode, and the upper and lower frequency conversion channels on the composite board (4) share the local oscillator first signal and the local oscillator second signal through the local oscillator first connector and the local oscillator second connector respectively; the first local oscillator connector and the second local oscillator connector comprise UMCC interfaces (10) and connecting cables (11), the UMCC interfaces (10) are respectively arranged on the side sides of the upper shell sleeve (5) and the lower shell sleeve (7), and a wire slot (12) for embedding the connecting cables (11) is reserved on the side sides of the upper shell sleeve (5) and the lower shell sleeve (7).
8. The electronic countermeasure-based miniaturized broadband transceiver frequency conversion module of claim 7, wherein: the whole size of the inner cover plate (2), the upper shell sleeve (5), the lower shell sleeve (7) and the outer cover plate (9) is in the range of 120mm multiplied by 72mm multiplied by 17.8mm after being fastened integrally.
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|---|---|---|---|---|
| CN102523707A (en) * | 2011-12-23 | 2012-06-27 | 北京航天测控技术有限公司 | Frequency agile signal source device |
| CN112349668A (en) * | 2020-09-28 | 2021-02-09 | 中国电子科技集团公司第二十九研究所 | Broadband radio frequency module structure adopting radio frequency motherboard and design method thereof |
| CN212905421U (en) * | 2019-11-19 | 2021-04-06 | 无锡天路科技有限公司 | Portable target simulator microwave system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7050765B2 (en) * | 2003-01-08 | 2006-05-23 | Xytrans, Inc. | Highly integrated microwave outdoor unit (ODU) |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523707A (en) * | 2011-12-23 | 2012-06-27 | 北京航天测控技术有限公司 | Frequency agile signal source device |
| CN212905421U (en) * | 2019-11-19 | 2021-04-06 | 无锡天路科技有限公司 | Portable target simulator microwave system |
| CN112349668A (en) * | 2020-09-28 | 2021-02-09 | 中国电子科技集团公司第二十九研究所 | Broadband radio frequency module structure adopting radio frequency motherboard and design method thereof |
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